A search on Yahoo Puts United at 4 out of 5 stars with one bad review and three good reviews. Autoline has one star with one bad review and a reply back from the company inviting the reviewer to come back to make things right.
Do they replace the float? Do they install bushings in the throttle shaft holes where the shaft passes thru the carb. casting? Do they seal the well plugs in the throttle plate? Do they install an ethanol proof accelerator pump?